WO2009041784A3 - Procédé d'exécution de l'alignement temporel de liaison montante dans un système de communication sans fil - Google Patents

Procédé d'exécution de l'alignement temporel de liaison montante dans un système de communication sans fil Download PDF

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Publication number
WO2009041784A3
WO2009041784A3 PCT/KR2008/005717 KR2008005717W WO2009041784A3 WO 2009041784 A3 WO2009041784 A3 WO 2009041784A3 KR 2008005717 W KR2008005717 W KR 2008005717W WO 2009041784 A3 WO2009041784 A3 WO 2009041784A3
Authority
WO
WIPO (PCT)
Prior art keywords
time alignment
random access
wireless communication
communication system
performing uplink
Prior art date
Application number
PCT/KR2008/005717
Other languages
English (en)
Other versions
WO2009041784A2 (fr
Inventor
Sung Jun Park
Young Dae Lee
Seung June Yi
Sung Duck Chun
Original Assignee
Lg Electronics Inc
Sung Jun Park
Young Dae Lee
Seung June Yi
Sung Duck Chun
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Lg Electronics Inc, Sung Jun Park, Young Dae Lee, Seung June Yi, Sung Duck Chun filed Critical Lg Electronics Inc
Priority to US12/678,694 priority Critical patent/US8432811B2/en
Publication of WO2009041784A2 publication Critical patent/WO2009041784A2/fr
Publication of WO2009041784A3 publication Critical patent/WO2009041784A3/fr

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W56/00—Synchronisation arrangements
    • H04W56/0005—Synchronisation arrangements synchronizing of arrival of multiple uplinks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0866—Non-scheduled access, e.g. ALOHA using a dedicated channel for access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/20—Manipulation of established connections
    • H04W76/27—Transitions between radio resource control [RRC] states
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B2201/00—Indexing scheme relating to details of transmission systems not covered by a single group of H04B3/00 - H04B13/00
    • H04B2201/69—Orthogonal indexing scheme relating to spread spectrum techniques in general
    • H04B2201/707—Orthogonal indexing scheme relating to spread spectrum techniques in general relating to direct sequence modulation
    • H04B2201/70718—Particular systems or standards
    • H04B2201/70724—UMTS
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04J—MULTIPLEX COMMUNICATION
    • H04J2211/00—Orthogonal indexing scheme relating to orthogonal multiplex systems
    • H04J2211/003—Orthogonal indexing scheme relating to orthogonal multiplex systems within particular systems or standards
    • H04J2211/005—Long term evolution [LTE]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé d'exécution de l'alignement temporel dans un système de communication sans fil qui consiste à envoyer un préambule d'accès direct, à recevoir une réponse d'accès direct, ladite réponse d'accès direct comprenant un identifiant de préambule d'accès direct correspondant au préambule d'accès direct mais sans aucune valeur d'alignement temporel et à relancer une horloge d'alignement temporel en fonction de la réception de la réponse d'accès direct.
PCT/KR2008/005717 2007-09-28 2008-09-26 Procédé d'exécution de l'alignement temporel de liaison montante dans un système de communication sans fil WO2009041784A2 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US12/678,694 US8432811B2 (en) 2007-09-28 2008-09-26 Method of performing uplink time alignment in wireless communication system

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US97581907P 2007-09-28 2007-09-28
US60/975,819 2007-09-28
KR10-2008-0091106 2008-09-17
KR1020080091106A KR101441138B1 (ko) 2007-09-28 2008-09-17 무선통신 시스템에서 상향링크 시간 동기 수행 방법

Publications (2)

Publication Number Publication Date
WO2009041784A2 WO2009041784A2 (fr) 2009-04-02
WO2009041784A3 true WO2009041784A3 (fr) 2009-05-14

Family

ID=40759643

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/KR2008/005717 WO2009041784A2 (fr) 2007-09-28 2008-09-26 Procédé d'exécution de l'alignement temporel de liaison montante dans un système de communication sans fil

Country Status (3)

Country Link
US (1) US8432811B2 (fr)
KR (1) KR101441138B1 (fr)
WO (1) WO2009041784A2 (fr)

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US20100195640A1 (en) 2010-08-05

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